Adjust test data for IDEA 2017.1

Since https://github.com/JetBrains/intellij-community/commit/9c8003c
deprecated methods are considered to be entry points, so the Safe
Delete quickfix is no longer available for them.

idea/testData/quickfix/unusedSuppressAnnotation/notForDeprecated.kt

@@ -1,5 +1,4 @@
 // "Suppress for declarations annotated by 'kotlin.Deprecated'" "false"
-// ACTION: Safe delete 'foo'
 // ACTION: Create test
 // ACTION: Convert to expression body
 @Deprecated("")